How about the transportation cost of tanker transportation? What goods are transported by tanker?
Tanker transport of goods is generally liquid, but there are also powder. But the powder needs special equipment for loading and unloading. Does bulk cement not use canned cars?. More tankers are used in petrochemical industry.
Tank volume fixed, different goods as long as the density of a count, you can know how many tons of transportation, according to the course of calculation.
The long-distance transport of goods is generally in accordance with the process to calculate the price multiplied by the ton kilometers.